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प्रश्न
Name two elements in Alkaline earth metals.
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उत्तर
Calcium and magnesium.
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संबंधित प्रश्न
How were the positions of isotopes of an element decided in the modern periodic table?
What are the merits of the modern periodic table of elements?
How does the electronic configuration of an atom relate to its position in the modern periodic table?
Answer the following in respect of element `31/15 P`
Give its electronic configuration
What is the number of elements in the 1st period?
Give the symbol and valency of the following element and radical.
Aluminium
Find the correlation:
Group 13 to 18 : p block : : ______ : d block
An element which is an essential constituent of all organic compounds belongs to
The three elements A, B and C with similar properties have atomic masses X, Y and Z respectively. The mass of Y is approximately equal to the average mass of X and Z. What is such an arrangement of elements called as? Give one example of such a set of elements.
Give reason for the following:
Inert gases do not form ion.
